On Jan 25, 8:26*am, "
wrote:

I presume trains don't use regenerative braking at all (ISTR some of
the underground trains are now starting to use this)

Tim.

The Class 350s can regenerate, but I don't know if it is being used at
the moment. The Pendolinos certainly do, as it is claimed to give a
17% reduction in energy use. The class 321s don't have regen, as far
as I know.